- All sections
- C - Chemistry; metallurgy
- C25B - Electrolytic or electrophoretic processes for the production of compounds or non- metals; apparatus therefor
- C25B 9/23 - Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms comprising ion-exchange membranes in or on which electrode material is embedded
Patent holdings for IPC class C25B 9/23
Total number of patents in this class: 705
10-year publication summary
|
6
|
4
|
10
|
8
|
22
|
45
|
99
|
155
|
225
|
72
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
28 |
| Twelve Benefit Corporation | 111 |
26 |
| Siemens Energy Global GmbH & Co. KG | 2775 |
19 |
| Utility Global, Inc. | 73 |
18 |
| Asahi Kasei Kabushiki Kaisha | 2429 |
15 |
| Agc, Inc. | 4029 |
14 |
| Toshiba Corporation | 12017 |
11 |
| Idemitsu Kosan Co., Ltd. | 3995 |
11 |
| Ohmium International, Inc. | 105 |
11 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
10 |
| Toray Industries, Inc. | 6652 |
10 |
| Mangrove Water Technologies Ltd. | 26 |
10 |
| Johnson Matthey Hydrogen Technologies Limited | 83 |
9 |
| Uop LLC | 4083 |
8 |
| Nippon Telegraph and Telephone Corporation | 14195 |
8 |
| de Nora Permelec Ltd | 152 |
8 |
| Greenerity GmbH | 41 |
8 |
| Osaka Gas Co., Ltd. | 312 |
8 |
| Tokuyama Corporation | 1248 |
8 |
| Enapter SRL | 30 |
8 |
| Other owners | 457 |